/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundRouter.h
This function uses theFTransmissionAddress::GetAddressType()method to determine whether the cast is legal. Each subclass ofFTransmissionAddressMUSTprovide a unique address type to protect against invalid casts.
namespace Metasound { template<typename DerivedAddressType> const DerivedAddressType * Metasound::CastAddressType ( const [FTransmissionAddress](API\Plugins\MetasoundFrontend\FTransmissionAddress) & InOther ) }